Either way light travels 2.99 times 10^8 scientifically speaking but given the facts above it is 3 times 10^8
Anna pays $7.78. Or not rounded 7.777777..... repeated.
Hope this helps!
2 yellow marbles, 7 red marbles, 1 green marble.....total of 10 marbles
probability of first picking a yellow marble : 2/10 reduces to 1/5
replacing the marble
probability of picking another yellow marble : 2/10 reduces to 1/5
probability of both is : 1/5 * 1/5 = 1/25 <==
